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catherinet11

Can you have too much duck weed?

7 years ago

I have a couple 300 gallon stock tank gardens. The one used to have about 5 frogs in it. Now I only have seen 1. The entire surface of 2 of the stock tanks is totally covered with duckweed. Does that contribute oxygen, or does it use it up? Does it shade the water too much? Maybe the frogs leaving had nothing to do with it, but I just wonder. Should I remove enough to leave some open spaces on the surface?

Thanks

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